Hello friend @whoarewe this is a great product which you have here, good your hunting; therefore, I attach my development of its Pros and cons:

Pros:

• Excellent backpack, it is very useful, and very good for those people who love to travel everywhere and carry a variety of things and who need a lot of space.
• The good thing about it is that it can be transformed into various sizes.
• It has 3 super different sizes.
• It is adjustable up to 9 different versions.
• Varieties of different colors come.

Cons:

• None for this hunt.